CN208127566U - A kind of automatic cut-off plug - Google Patents

Abstract

The utility model discloses a kind of automatic cut-off plugs, including plastic casing and knob, plastic casing side outer wall is provided with circular hole, the knob side wall is provided with annular groove, and annular groove inner wall and circular-hole internal-wall are clamped, the plastic casing is provided with the first mounting hole far from knob side outer wall, and first inner wall of the hole installing be connected with No.1 plastic sheath, interlocking has horizontal positioned metal column in the No.1 plastic sheath, described metal column one end is bolted with knob side wall, the metal column outer wall is socketed with metallic sheath, second mounting hole there are two being opened at the first close mounting hole bottom position of the plastic casing side wall.The utility model can be rotated with metal column, cooperate fixture block, metal column may be implemented and socket is clamped, facilitate and fix plug and socket, it is easy to operate, it can be loosened to avoid plug, accident power-off is avoided, structure is simple, convenient with changing protective tube, open circuit can be formed in the excessive situation of electric current, realization automatically powers off.

Description

A kind of automatic cut-off plug

Technical field

The utility model relates to plug technical field more particularly to a kind of automatic cut-off plugs.

Background technique

The connector and electrical appliance bolt, referred to as plug of general electronic products.Household AC power plug and socket, have Rodlike or copper sheet shape pin end outstanding, the power outlet of the female connector type physically inserted with slot or pothole.

By retrieval, the file of Publication No. CN207338825U proposes a kind of automatic cut-off plug, including plug body, It is characterized in that：The jack for the insertion of other plugs, the other end of plug body are provided on one end of the plug body On be provided with the contact of insertion socket, delay button and indicator light are additionally provided on plug body；Postpone button and passes through thimble control Electric current relay processed, final realize disconnect with power supply automatically after the standby or battery of load is fully charged, the automatic cut-off plug, function Can be single, it is easy to loosen with socket, so now proposing a kind of automatic cut-off plug.

Utility model content

Purpose of the utility model is to solve disadvantage existing in the prior art, and the one kind proposed automatically power off it is slotting Head.

To achieve the goals above, the utility model uses following technical solution：

A kind of automatic cut-off plug, including plastic casing and knob, plastic casing side outer wall is provided with circular hole, described Knob side wall is provided with annular groove, and annular groove inner wall and circular-hole internal-wall are clamped, and the plastic casing is opened far from knob side outer wall There is the first mounting hole, and the first inner wall of the hole installing is connected with No.1 plastic sheath, there is horizontal positioned interlocking in the No.1 plastic sheath Metal column, described metal column one end is bolted with knob side wall, and the metal column outer wall is socketed with metallic sheath, described It is opened at the first close mounting hole bottom position of plastic casing side wall there are two the second mounting hole, and two the second mounting holes and the The distribution triangular in shape of one mounting hole, two second inner wall of the hole installing are connected with No. two plastic sheaths, and two No. two plastic sheaths In interlocking have a plug blades, plastic barrel is equipped at the plastic casing inner wall bottom position, and plastic casing side wall is close to plastics Plastic cap is bolted at cylinder position, the plastic casing inner wall is equipped with the junction block of equidistant difference at plastic barrel position, The metal column side wall is set there are two clamping block.

Preferably, the plastic casing bottom end outer wall middle position is provided with entrance hole, and entrance hole inner wall is connected with rubber Bunch set.

Preferably, the plastic casing side wall is provided with square hole, and square hole inner wall is connected with digital display ammeter head, and plastic housing Internal wall has been bolted earth leakage protective device, earth leakage protective device model DZL43 at digital display ammeter head position.

Preferably, plastic barrel inner wall one end has been bolted spring part, and plastic barrel inner wall is socketed with insurance Pipe, plastic barrel inner wall are equipped with elastic sheet metal at one end position of protective tube, and elastic sheet metal is abutted with protective tube one end.

Preferably, the digital display ammeter head signal input part is connected with microprocessor, and earth leakage protective device by signal wire Connect by conducting wire with microprocessor, one of junction block is connect with elastic sheet metal, other two junction block, spring part, Two plug blades and metallic sheath pass through conducting wire and connect with microprocessor.

The beneficial effects of the utility model are：

1. can rotate with metal column by the knob and metal column of installation, cooperate fixture block, metal column may be implemented and inserts Seat clamping, facilitates and fixes plug and socket, easy to operate, can loosen to avoid plug, avoid accident power-off, structure is simple.

2. plastic lid and plastic barrel are cooperated by the protective tube of mounting base, it is convenient with changing protective tube, it can be excessive in electric current In the case of form open circuit, realization automatically powers off, and cooperates earth leakage protective device, enriches pin function, safer.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of automatic cut-off plug structural schematic diagram；

Fig. 2 be the utility model proposes a kind of automatic cut-off plug schematic cross-sectional view；

Fig. 3 be the utility model proposes a kind of automatic cut-off plug plastic barrel structural schematic diagram.

In figure：1 rubber bunch set, 2 plastic caps, 3 plastic casings, 4 digital display ammeter heads, 5 knobs, 6 circular holes, 7 electric leakages are protected Protect device, 8 junction blocks, 9 plastic barrels, 10 metallic sheaths, 11 No.1 plastic sheaths, 12 metal columns, 13 clamping blocks, 14 plug blades, 15 No. two Plastic sheath, 16 elastic sheet metals, 17 spring parts, 18 protective tubes.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-3, a kind of automatic cut-off plug, including plastic casing 3 and knob 5,3 side outer wall of plastic casing are provided with Circular hole 6,5 side wall of knob is provided with annular groove, and annular groove inner wall and 6 inner wall of circular hole are clamped, and plastic casing 3 is far from 5 side of knob Outer wall is provided with the first mounting hole, and the first inner wall of the hole installing is connected with No.1 plastic sheath 11, and interlocking has water in No.1 plastic sheath 11 The metal column 12 of placing flat, 12 one end of metal column are bolted with 5 side wall of knob, and 12 outer wall of metal column is socketed with metallic sheath 10, open that there are two the second mounting holes, and two the second mounting holes at the first close mounting hole bottom position of 3 side wall of plastic casing With the distribution triangular in shape of the first mounting hole, two the second inner wall of the hole installing are connected with No. two plastic sheaths 15, and two No. two plastics Interlocking has plug blades 14 in set 15, is equipped with plastic barrel 9 at 3 inner wall bottom position of plastic casing, and 3 side wall of plastic casing is close Plastic cap 2 is bolted at 9 position of plastic barrel, 3 inner wall of plastic casing is equipped with the wiring of equidistant difference at 9 position of plastic barrel Seat 8,12 side wall of metal column are set there are two clamping block 13.

In the utility model, 3 bottom end outer wall middle position of plastic casing is provided with entrance hole, and entrance hole inner wall is connected with rubber Micella line set 1,3 side wall of plastic casing is provided with square hole, and square hole inner wall is connected with digital display ammeter head 4, and 3 inner wall of plastic casing Earth leakage protective device 7,7 model DZL43 of earth leakage protective device, plastics have been bolted at 4 position of digital display ammeter head 9 inner wall one end of cylinder have been bolted spring part 17, and 9 inner wall of plastic barrel is socketed with protective tube 18, and 9 inner wall of plastic barrel is close Elastic sheet metal 16 is equipped at 18 1 end position of protective tube, elastic sheet metal 16 is abutted with 18 one end of protective tube, digital display ammeter First 4 signal input part is connected with microprocessor by signal wire, and earth leakage protective device 7 is connect by conducting wire with microprocessor, wherein One junction block 8 is connect with elastic sheet metal 16, other two junction block 8,17, two plug blades 14 of spring part and metallic sheath 10 It is connect by conducting wire with microprocessor, microprocessor model is ARM9TDMI.

Working principle：In use, then plug and socket grafting are screwed knob 5, metal column 12 is driven to rotate, driven It is clamped at clamping block 13 and receptacle sockets, the electric current for flowing through plug in use process can be read by digital display ammeter head 4, when Electric current is excessive, and protective tube 18 damages, and forms open circuit, can be quickly with changing protective tube 18, earth leakage protective by unscrewing plastic cap 2 The work when plug institute connection circuit leaks electricity of device 7 forms open circuit.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (5)

1. a kind of automatic cut-off plug, including plastic casing (3) and knob (5), which is characterized in that the plastic casing (3) one Side outer wall is provided with circular hole (6), and knob (5) side wall is provided with annular groove, and annular groove inner wall and circular hole (6) inner wall are clamped, institute It states plastic casing (3) and is provided with the first mounting hole far from knob (5) side outer wall, and the first inner wall of the hole installing is connected with No.1 plastics It covers (11), there is horizontal positioned metal column (12) interlocking in the No.1 plastic sheath (11), described metal column (12) one end and rotation Button (5) side wall is bolted, and metal column (12) outer wall is socketed with metallic sheath (10), plastic casing (3) side wall Second mounting hole there are two being opened at the first close mounting hole bottom position, and two the second mounting holes and the first mounting hole are in three Angular distribution, two second inner wall of the hole installing are connected with No. two plastic sheaths (15), and in two No. two plastic sheaths (15) Interlocking has plug blades (14), is equipped with plastic barrel (9) at plastic casing (3) the inner wall bottom position, and plastic casing (3) side wall It is bolted with plastic cap (2) at plastic barrel (9) position, plastic casing (3) inner wall is equipped at plastic barrel (9) position The junction block (8) of equidistant difference, metal column (12) side wall are set there are two clamping block (13).

2. a kind of automatic cut-off plug according to claim 1, which is characterized in that plastic casing (3) bottom end outer wall Middle position is provided with entrance hole, and entrance hole inner wall is connected with rubber bunch set (1).

3. a kind of automatic cut-off plug according to claim 1, which is characterized in that plastic casing (3) side wall is provided with Square hole, and square hole inner wall is connected with digital display ammeter head (4), and plastic casing (3) inner wall is close to digital display ammeter head (4) position Place has been bolted earth leakage protective device (7), earth leakage protective device (7) model DZL43.

4. a kind of automatic cut-off plug according to claim 1, which is characterized in that described plastic barrel (9) inner wall one end is logical It crosses bolt to be fixed with spring part (17), and plastic barrel (9) inner wall is socketed with protective tube (18), plastic barrel (9) inner wall is close to insurance It manages and is equipped with elastic sheet metal (16) at (18) one end positions, elastic sheet metal (16) is abutted with protective tube (18) one end.

5. a kind of automatic cut-off plug according to claim 3, which is characterized in that digital display ammeter head (4) signal Input terminal is connected with microprocessor by signal wire, and earth leakage protective device (7) is connect by conducting wire with microprocessor, one of them connects Line seat (8) is connect with elastic sheet metal (16), other two junction block (8), spring part (17), two plug blades (14) and metal Set (10) is connect by conducting wire with microprocessor.